使用REST API通过电子邮件限制获取WooCommerce优惠券

Question

如标题中所述，我正尝试通过电子邮件限制访问WooCommerce优惠券列表，以在我的应用中使用它。

但是我确实成功访问了优惠券列表，但是我无法通过电子邮件而不是代码来获取它。

现在，我尝试使用 Postman 来获得它：

domain.com/wp-json/wc/v2/coupons?email_restrictions=[email@gmail.com]

但这没用。

这是我的api上的优惠券：

{
    "id": 2045,
    "code": "coupon_xaqx0uyw",
    "amount": "5.00",
    "date_created": "2019-03-09T16:38:20",
    "date_created_gmt": "2019-03-09T16:38:20",
    "date_modified": "2019-03-09T16:38:20",
    "date_modified_gmt": "2019-03-09T16:38:20",
    "discount_type": "percent",
    "description": "",
    "date_expires": "2020-03-08T00:00:00",
    "date_expires_gmt": "2020-03-08T00:00:00",
    "usage_count": 0,
    "individual_use": true,
    "product_ids": [],
    "excluded_product_ids": [],
    "usage_limit": 1,
    "usage_limit_per_user": null,
    "limit_usage_to_x_items": null,
    "free_shipping": false,
    "product_categories": [],
    "excluded_product_categories": [],
    "exclude_sale_items": true,
    "minimum_amount": "100.00",
    "maximum_amount": "0.00",
    "email_restrictions": [
        "email@gmail.com"
    ],
    "used_by": [],
    "meta_data": [
        {
            "id": 8482,
            "key": "coupon_user_id",
            "value": "7"
        },
        {
            "id": 8487,
            "key": "sumo_coupon",
            "value": "yes"
        },
        {
            "id": 8488,
            "key": "expire_status",
            "value": "1"
        },
        {
            "id": 8493,
            "key": "action_type",
            "value": "signup"
        },
        {
            "id": 8495,
            "key": "sumo_coupon_check",
            "value": "yes"
        },
        {
            "id": 8496,
            "key": "sumo_coupon_code_sc",
            "value": "INONE_xaqx0uyw"
        }
    ],
    "_links": {
        "self": [
            {
                "href": "https://www.example.com/wp-json/wc/v2/coupons/2045"
            }
        ],
        "collection": [
            {
                "href": "https://www.example.com/wp-json/wc/v2/coupons"
            }
        ]
    }
}